Home / 75,690.93-113,451.55-30,701.85

Finding the Fourth Proportional to 75,690.93, 113,451.55 and 30,701.85

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Solution

The fourth proportional to 75,690.93, 113,451.55 and 30,701.85 is: 46,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,690.93 : 113,451.55 = 30,701.85 : x
  2. Step 2: Convert to fraction form
    75,690.93/113,451.55 = 30,701.85/x
  3. Step 3: Cross multiply
    75,690.93x = 113,451.55 × 30,701.85
  4. Step 4: Simplify right side
    75,690.93x = 3,483,171,968.17
  5. Step 5: Solve for x
    x = 3,483,171,968.17/75,690.93
  6. Step 6: Final answer
    x = 46,018.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.